首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Mechanism for forming a loop in the web of a film of a motion-picture machine
摘要
申请公布号
US2633356(A)
申请公布日期
1953.03.31
申请号
US19470787556
申请日期
1947.11.22
申请人
DE VRY CORPORATION
发明人
D'ARCY ELLIS WELLINGTON
分类号
G03B1/56
主分类号
G03B1/56
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SPECTROFLUOROPHOTOMETER
FLEECE COLLECTOR FOR HIGH-SPEED SPINNING FRAME
PRODUCTION OF PHOTOSENSITIVE BODY
IN-TUBE INSPECTION DEVICE
INTERFACE DEVICE
SCATTERED LIGHT DETECTOR
SPINDLE DRIVER IN RING TWISTING FRAME
HEAT ACCUMULATING TYPE HEAT EXCHANGER
ELECTROPHOTOGRAPHIC SENSITIVE BODY
POLYAMIDE COMPOSITION
SEQUENCE CONTROLLER FOR CAMERA
CD-I DISK REPRODUCING DEVICE
MULTIPROCESSOR CONTROL SYSTEM
NON-POLARIZATION TYPE OPTICAL ISOLATOR
SURFACE PROPERTY MEASURING INSTRUMENT
TRACKING DEVICE FOR RECORDING INFORMATION AND REPRODUCING DEVICE
CLEANING CARTRIDGE FOR DISK CLEANER
OPTICAL DISK DEVICE
LAMP LIGHT QUANTITY STABILIZER
IMAGE PROCESSING METHOD
